RIB Engineers

Centrifugal Blowers

Centrifugal Blowers

Mines and marine ventilation, commercial air conditioning for cinema, offices, hospitals etc., textile humidification, air cleaning for drug & pharmaceutical industries, pneumatic conveying, induced draft fans for steel mills, boiler houses etc., fume removal, foundry dust collection. According to AMCA (Air Moving & Control Association, Inc.) Centrifugal Fans are calssified into two groups according to their general application. Centrifugal Fans – It include Air Foil (AF) , Backward Inclined (BI) , Forward Curved (FC) , -Can be used for Exhaust/Supply Systems.

Industrial Centrifugal Fans-

Group 1 Group 2
AFBIFCXBXSXCXO
Size in inch 12-109 12-109 12-33 11-60 11-60 11-60 11-60
Scroll % 10010010080808080
SWSIYYYYYYY
DWDIYYYNNNN
ShroudFF/C F/C C C NoneNone
Capacities(cfm) 700-350000 774-48690 800-30000 1056-136500 1056-135946 1056-136500 1056-106500
SP(WG) 0.25"-22 0.25"-6.75" 0.25"-6.75" 1"-16" 1"-16" 1"-16" 1"-16"
BHP Curve Non O/L Non O/L Non O/L Slight O/L O/L O/L O/L
Max.Mech Eff (%)927865 79716763
Y=YES, N=NO, F=FLAT, C=CONICAL, O/L=OVER LOADING, SWSI=SINGLE WHEEL SINGLE INLET, DWDI=DOUBLE WHEEL DOUBLE INLET

Rotation & Discharge Looking From The drive end

Fan Arrangement

Moter Position

Rotation & Discharge Looking From The drive end

Fan Arrangement